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      1 /*
      2  * partinfo.c
      3  *
      4  * Originally written by Alain Knaff, <alknaff (at) innet.lu>.
      5  *
      6  * Cleaned up by Theodore Ts'o, <tytso (at) mit.edu>.
      7  *
      8  */
      9 
     10 #include <sys/types.h>
     11 #include <fcntl.h>
     12 #ifdef HAVE_SYS_IOCTL_H
     13 #include <sys/ioctl.h>
     14 #endif
     15 #include <stdio.h>
     16 #include <linux/hdreg.h>
     17 #include <unistd.h>
     18 #include <stdlib.h>
     19 #include <errno.h>
     20 #include "nls-enable.h"
     21 
     22 #if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
     23 #define BLKGETSIZE _IO(0x12,96)	/* return device size */
     24 #endif
     25 
     26 int main(int argc, char **argv)
     27 {
     28 	struct hd_geometry loc;
     29 	int fd, i;
     30 	unsigned long size;
     31 
     32 #ifdef ENABLE_NLS
     33 	setlocale(LC_MESSAGES, "");
     34 	setlocale(LC_CTYPE, "");
     35 	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
     36 	textdomain(NLS_CAT_NAME);
     37 	set_com_err_gettext(gettext);
     38 #endif
     39 	if (argc == 1) {
     40 		fprintf(stderr, _("Usage:  %s device...\n\nPrints out the "
     41 			"partition information for each given device.\n"
     42 			"For example: %s /dev/hda\n\n"), argv[0], argv[0]);
     43 		exit(1);
     44 	}
     45 
     46 	for (i=1; i < argc; i++) {
     47 		fd = open(argv[i], O_RDONLY);
     48 
     49 		if (fd < 0) {
     50 			fprintf(stderr, _("Cannot open %s: %s"),
     51 				argv[i], strerror(errno));
     52 			continue;
     53 		}
     54 
     55 		if (ioctl(fd, HDIO_GETGEO, &loc) < 0) {
     56 			fprintf(stderr, _("Cannot get geometry of %s: %s"),
     57 				argv[i], strerror(errno));
     58 			close(fd);
     59 			continue;
     60 		}
     61 
     62 
     63 		if (ioctl(fd, BLKGETSIZE, &size) < 0) {
     64 			fprintf(stderr, _("Cannot get size of %s: %s"),
     65 				argv[i], strerror(errno));
     66 			close(fd);
     67 			continue;
     68 		}
     69 
     70 		printf(_("%s: h=%3d s=%3d c=%4d   start=%8d size=%8lu end=%8d\n"),
     71 		       argv[i],
     72 		       loc.heads, (int)loc.sectors, loc.cylinders,
     73 		       (int)loc.start, size, (int) loc.start + size -1);
     74 		close(fd);
     75 	}
     76 	exit(0);
     77 }
     78